# File: hello2.py
from tkinter_ import *
class App:
    def __init__(self, master):
        frame = Frame(master)
        frame.pack()
        self.button = Button (  frame, # master widget
                                text="QUIT",
                                fg="red",
                                command=frame.quit
                              )
        self.button.pack(side=LEFT)
        self.hi_there = Button( frame,
                                text="Hello",
                                command=self.say_hi
                               )
        self.hi_there.pack(side=LEFT)
    def say_hi(self):
        print("hi there, everyone!")
root = Tk()
app = App(root)
root.mainloop()
